On another message board that I follow, there is what I consider to be an epic thread for people to post neat pictures. I thought I'd cross-post some of that thread here to see if we can get it going with this group. There's no rules, really, just pictures you find fascinating for whatever reason.
Neamt Citadel, Romania
Myra Turkey Ruins
Old Mill, Sorrento, Italy
Castle Drachenburg, Germany
The Apennine Colossus. Florence, Italy